Merge pull request #67 from NicoleRauch/master

Gruppen anlegen und bearbeiten
Fixed Testbug

NConf seems to search files from root, not the declaring file's
directory
Merge pull request #68 from leider/master

Fixed Bug in persistence tests
This test shows some wrong behaviour for member-instantiation that needs to be fixed.
Merge remote-tracking branch 'upstream/master'